* {
    border: none;
    margin: 0px;
    padding: 0px;
}

html,
body {
    height: 100%;
    width: 100%;
    font-size: 16px;
    /* 其他字体大小在设置的时候以em为单位 */
}

a {
    text-decoration: none;
}

input {
    outline: none;
    background: transparent;
}

button,
input[type=submit],
input[type=button] {
    cursor: pointer;
}

button[disabled],
input[disabled] {
    cursor: default;
}

ul,
ol,
li {
    list-style-type: none;
}


/*公共方法*/

.clear {
    clear: both;
}

.clearleft {
    clear: left;
}

.clearright {
    clear: right;
}

.floatleft {
    float: left;
}

.floatright {
    float: right;
}

.cursor {
    cursor: pointer;
}